Siren
Semantics tech
Siren has raised €24M across 4 funding rounds from 4 investors, most recently a round in Dec 2025. Based in Galway, Ireland; active in Software. Data as of Nov 2026.
Galway, Irelandsiren.io ↗
Total raised
€24M
€24,183,580
Funding rounds
4
Investors
4
distinct backers
Active since
2018-01
latest 2025-12
Funding by year
EUR raised per yearSiren — funding by year — interactive chart.
Data table
| Siren — funding by year | |
|---|---|
| 2017 | €3.0M |
| 2019 | €9.2M |
| 2023 | €12M |
| 2025 | €0 |
Signals
High confidenceRaise-next likelihood43
base rate 30% for Other
- ▲ In typical raise window
- ▲ Up-round momentum
- ▼ Low backer re-investment
Exit likelihood21
base rate 11% (2+ rounds)
- ▲ 4 rounds raised
- ▲ 9y since founding (typical exit age)
- ▲ Recently backed by strong-exit-track investors
Timing: in window vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
4 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2025-12-04 | Other | — | Elastic | View deal → |
| 2023-02-23 | Other | €12M | European Investment Bank (EIB) | View deal → |
| 2019-10-01 | Series A | €9.2M | Atlantic Bridge | View deal → |
| 2018-01-01 | Other | €3.0M | Atlantic Bridge University Fund | View deal → |
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Global coverage: FundingData